WATERTOWN, Mass. (AP) - One of two suspects in the Boston Marathon bombing is dead after the killing of a university officer and a shootout with police, and a massive manhunt is underway for the other, authorities said early Friday. Police are locking down some neighborhoods in Boston and its western suburbs as they search for the remaining suspect: known as the man in the white hat from marathon surveillance footage. Authorities urged residents in Watertown, Newton, Waltham, Belmont, Cambridge and the Allston-Brighton neighborhoods of Boston to stay indoors. All mass transit was shut down and businesses were asked not...

MIT issued an emergency alert at 10:48 on Thursday night reporting shots fired on the university campus. The school newspaper reports, "Shots fired near 32 Vassar St (Stata Center), police officer down. Please stay inside." That report is backed up by CBS News's Bonney Kapp who reports hearing "officer down" on the police scanner just before the MIT alert went out. For now, details are scarce, but the suspect is on the loose and considered armed and extremely dangerous.

President Obama was visibly angry during his press conference yesterday, voicing disappointment with the Senate for failing to pass an amendment requiring universal background checks for gun sales. The president, however, insisted it was still possible to “bring about meaningful changes that reduce gun violence” outside of Congress. “Even without Congress, my administration will keep doing everything it can to protect more of our communities,” Obama insisted. “We’re going to address the barriers that prevent states from participating in the existing background check system. We’re going to give law enforcement more information about lost and stolen guns so it can...